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syntax.fm

syntax 控制

// ==UserScript==
// @name         syntax.fm
// @namespace    ziggy chen
// @license MIT
// @version      0.2
// @description  syntax 控制
// @author       Ziggy chen
// @match        *://syntax.fm/*
// @icon         https://syntax.fm/favicon.png
// @run-at       document-start
// @grant        GM_addStyle
// ==/UserScript==

(function() {
    'use strict';
    // 创建控制按钮
    const btn = document.createElement('button');
    btn.id = 'speedControlBtn';
    btn.style.cssText = `
        position: fixed;
        bottom: 110px;
        right: 20px;
        z-index: 9999;
        padding: 4x 8px 4px 8px !important;
        background-color: #4CAF50;
        color: white;
        border: none;
        font-size: 12px;
        border-radius: 4px;
        cursor: pointer;
        box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    `;
    // 状态管理
    let isActive = false;
    let intervalId = null;
  
    // 更新按钮状态
    function updateButtonState() {
        btn.textContent = isActive ? '0.8x': '1x';
        btn.style.backgroundColor = isActive ? '#4CAF50' : '#f44336';
    }
    // 主控制函数
    function toggleSpeedControl() {
        isActive = !isActive;
  
        if (isActive) {
            // 创建定时器
            intervalId = setInterval(() => {
                const audio = document.querySelector('audio');
                if (audio && audio.playbackRate !== 0.8) {
                    audio.playbackRate = 0.8;
                }
            }, 1000);
        } else {
            // 清除定时器
            if (intervalId) {
                clearInterval(intervalId);
                 const audio = document.querySelector('audio');
                if (audio && audio.playbackRate === 0.8) {
                    audio.playbackRate = 1;
                }
                intervalId = null;
            }
        }
  
        updateButtonState();
    }
    // 初始化
    btn.addEventListener('click', toggleSpeedControl);
    updateButtonState();
    document.body.appendChild(btn);
    // 自动检测新添加的audio元素
    new MutationObserver(() => {
        if (isActive) {
            const audio = document.querySelector('audio');
            if (audio && audio.playbackRate !== 0.8) {
                audio.playbackRate = 0.8;
            }
        }
    }).observe(document.body, {
        childList: true,
        subtree: true
    });
    // 快进 退后
    let changeSeek = false
    const seekTimer = setInterval(() => {
        if (changeSeek)  {
            clearInterval(seekTimer)
            return
        }

        const seekBtns =document.querySelectorAll("*[seekoffset]")
        console.log("🚀 ~ seekBtns:", seekBtns)
        if (seekBtns?.length) {
            changeSeek = true
            for (const btn of seekBtns) {
                btn.setAttribute('seekoffset', 2)
                console.log(btn)
            }
        }
    }, 1000)
  })();